Essence Finance
    • Introduction
  • Protocol
    • Peg Stabilty
    • Collateralization
    • Decentralization
  • TOKENOMICS
    • ZEN
    • Distribution
    • Stake
  • Protocol Controlled Value
    • Protocol Controlled Value (PCV)
    • PCV Management
    • PCV Deposits
  • Governance
    • Essence DAO
    • Governance Phases
    • Access Control
    • Roles
  • Smart Contracts
    • Contract Addresses
    • Audits
  • Development
    • Smart Contracts API
      • Chi
        • IChi
      • Minter
        • IPCVEquityMinter
        • PCVEquityMinter
        • RateLimitedMinter
      • Core
        • Core
        • ICore
        • IPermissions
        • IPermissionsRead
        • Permissions
        • ZenRoles
      • Dao
        • Governor
          • EssenceDAO
        • Timelock
          • EssenceDAOTimelock
          • OptimisticTimelock
          • Timelock
      • External
        • Decimal
        • WETH9
      • Libs
        • CoreRefPauseableLib
        • UintArrayOps
      • Oracle
        • ChainlinkOracleWrapper
        • CompositeOracle
        • ConstantOracle
        • ICollateralizationOracle
        • ICollateralizationOracleWrapper
      • Pcv
        • IPCVDeposit
        • IPCVDepositBalances
        • IPCVGuardian
        • IPCVSwapper
        • PCVDeposit
        • PCVGuardian
      • Peg
        • FixedPricePSM
        • IPegStabilityModule
        • IPriceBound
        • IPSMRouter
        • PegStabilityModule
        • PriceBoundPSM
        • PSMRouter
      • Refs
        • CoreRef
        • ICoreRef
        • IOracleRef
        • IUniRef
        • OracleRef
        • UniRef
      • Timelocks
        • ITimelockedDelegator
        • ITokenTimelock
        • LinearTimelockedDelegator
        • LinearTokenTimelock
        • QuadraticTimelockedDelegator
        • QuadraticTimelockedSubdelegator
        • QuadraticTokenTimelock
        • TimelockedDelegator
        • TokenTimelock
      • Utils
        • RateLimited
      • Zen
        • IZenMinter
        • Zen
        • ZenMinter
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On this page
  • Functions
  • constructor
  • update
  • isOutdated
  • read
  1. Development
  2. Smart Contracts API
  3. Oracle

ConstantOracle

Return a constant oracle price

Functions

constructor

function constructor(
    address _core,
    uint256 _priceBasisPoints
) public

Constant oracle constructor

Parameters

Name
Type
Description

_core

address

Chi Core for reference

_priceBasisPoints

uint256

the price to report in basis points

update

function update() external

updates the oracle price

no-op, oracle is fixed

isOutdated

function isOutdated() external returns (bool)

determine if read value is stale

always false, oracle is fixed

read

function read() external returns (struct Decimal.D256, bool)

read the oracle price

Return Values

Name
Type
Description

[0]

struct Decimal.D256

constant oracle price

[1]

bool

true if not paused

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Last updated 1 year ago